<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover"
    />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Wrecking Ball with Metal Chain</title>
    <link rel="stylesheet" href="/css/examples.css?ver=1.0.0" />
    <script src="/js/examples.js?ver=1.1.1"></script>
    <script src="/lib/phaser.min.js?ver=3.52.0"></script>
    <script src="/lib/enable3d/enable3d.phaserExtension.0.22.0.min.js"></script>
  </head>

  <body>
    <script>
      const { enable3d, Scene3D, Canvas } = ENABLE3D

      class MainScene extends Scene3D {
        constructor() {
          super({ key: 'MainScene' })
        }

        init() {
          this.accessThirdDimension({ gravity: { x: 0, y: -30, z: 0 } })
        }

        create() {
          this.third.warpSpeed()
          this.third.camera.position.set(0, 10, 50)
          this.third.camera.lookAt(0, 8, 0)

          for (let i = 2; i <= 12; i++) {
            // chain
            let t2 = this.third.add.torus(
              { x: i * 1.3 - 20, y: 22, tubularSegments: 12, tube: 0.2 },
              { standard: { emissive: 0x888888, roughness: 0.4, metalness: 1 } }
            )
            if (i % 2 == 0) t2.rotateX(Math.PI / 2)
            this.third.physics.add.existing(t2, { mass: i === 12 ? 0 : 1 })

            // ball
            if (i === 2) {
              let ball = this.third.physics.add.sphere(
                { mass: 2, radius: 2, x: -20.8, y: 22 },
                { standard: { emissive: 0x222222, roughness: 0.4, metalness: 1 } }
              )
              this.third.physics.add.constraints.lock(t2.body, ball.body)
            }
          }

          // wall
          for (let y = 0; y <= 6; y += 2) {
            for (let z = -4; z <= 2; z += 2) {
              for (let x = 0; x <= 2; x += 2) {
                this.third.physics.add.box({ x, y, z, width: 1.95, height: 1.95, depth: 1.95, mass: 0.4 })
              }
            }
          }
        }
      }

      const config = {
        type: Phaser.WEBGL,
        transparent: true,
        scale: {
          mode: Phaser.Scale.FIT,
          autoCenter: Phaser.Scale.CENTER_BOTH,
          width: window.innerWidth * Math.max(1, window.devicePixelRatio / 2),
          height: window.innerHeight * Math.max(1, window.devicePixelRatio / 2)
        },
        scene: [MainScene],
        ...Canvas()
      }

      window.addEventListener('load', () => {
        enable3d(() => new Phaser.Game(config)).withPhysics('/lib/ammo/kripken')
      })
    </script>
  </body>
</html>
